AbstractApiWrapper

gem 'abstract_api_wrapper'

# Basecamp example
class BasecampApi < AbstractApiWrapper
  class Client < BasecampApi::Client
    def method_missing(name, *params, &block)
      BasecampApi::Request.new(name.to_s, self)
    end
  end

  class Request < BasecampApi::Request
    def headers
      # Use Bearer instead of token
      {
        'Authorization' => "Bearer #{@client.access_token}",
        'Content-Type' => 'application/json'
      }
    end

    def endpoint
      # Adds the .json at the end of each request
      query_string = filters.map { |k, v| "#{k}=#{v}" }.join('&')
      "#{@client.base_url}/#{path.join('/')}.json?#{query_string}"
    end
  end
end

ACCESS_TOKEN = "YOUR ACCESS TOKEN"

client = BasecampApi::Client.new(
  access_token: ACCESS_TOKEN,
  base_url: 'https://launchpad.37signals.com'
)

authorizations = client.authorization.all.run
# => <BasecampApi::Response::Resource accounts=#<Hashie::Array [#<BasecampApi::Response::Resource app_href="https://basecamp.com/xxxxxxx" href="https://basecamp.com/xxxxxxx/api/v1" id=xxxxxxx name="Your Company" product="bcx">, #<BasecampApi::Response::Resource app_href="https://basecamp.com/xxxxxxx" href="https://basecamp.com/xxxxxxx/api/v1" id=xxxxxxx name="Another company" product="bcx">]> expires_at="2016-12-19T18:13:52.000Z" identity=#<BasecampApi::Response::Resource email_address="email@yourcompany.com" first_name="Juan" id=xxxxxx last_name="Puelpan">>

account = authorizations.accounts.first
client = BasecampApi::Client.new(access_token: ACCESS_TOKEN, base_url: account.href)
projects = client.projects.all.run

puts projects
puts projects.pagination